I'd be looking for a new vet if I was told they didn't have time to see a dog that can't get up. What I would do is find a holistic or homeopathic type vet. I deeply regret not doing that for Nevada, my GSD that pasted last year. I always wonder if my current vet could have done something for her. My experience with the holistic vet is that they are more open to the dogs. Instead of just pumping more pills they can help the body to heal. Now, not all are the same. Even within the same practice they will vary. But you really should get your dog to a vet.